. >>> and violence continue in egypt and president obama is next. >>> the chaos continuing in egypt, hundreds have been killea new explosion of violence there, it started with the government cracked down today protestors and you can see what's going on in this video, a lot of people have been killed and if the university are losing one of its biggest allies in the. . >> reporter: wednesday 's violence began of the protests. government building like this one were torched and most of them died, among those killed and recent fighting a young journalist and a british photographer, deen and after being briefed by the security adviser, president obama took a break of his vacation to comment. >> united states strongly condemns of the steps that's been taken by egypt's government and security forces. we depor violence against civilian. >> the president announced u.s. is cancelled of a joint military exercise with egypt. he's not address whether billions of dollars will continue of scheduled. egypt has been in ally of a very he or she region. and the disruption can affect the oil prices. >>>